If unsuccessful, this contains a description of the error that occurred. See
A manifest ID. Manifest IDs are returned from
createManifest(), and used in other methods to refer to a specific manifest.
The owner of this manifest. A manifest may be monitored or modified only by its owner, or by a superuser.
The owner of this manifest, if this manifest was created by a token. A manifest is only visible to its token, owner, or a superuser.
The token session of this token that created this manifest.
The status may be one of the following values:
The total number of files in a manifest.
The total size, in bytes, of a manifest.
Changed in version 2.4.0: Added ownerToken, ownerTokenSession keys.